
Typically, a macOS download fails if you do not have enough storage space Reboot the Mac and load up Mail to see if search works. When you get an email with attachments, you can download a copy of the attachment to your device. The authenticity of this message cannot be verified. In Mail on your Mac, view, save, and delete email attachments in various ways. Some attachments—like images or one-page PDF documents—are displayed Email attachments are saved in the Downloads folder, available in the Dock.